... OSD menu in English, show the initial information when starting.3) The first designer of wide voltage in domestic, DC15V ... various of protocols, PELCO-D, PELCO-P etc..17) 3 class lightning defend, built in 3000V lightning proof, surge resistant ... ~AC24V (±10%)Power consumptionIndoor≤15W,outdoor≤45WImage sensor1/4 SONY ″Exview HAD CCDZoom36*12XSignal modePAL/NTSCPreset position200 presets, title ...